FreeSBC and ProSBC

The TelcoBridges FreeSBC and ProSBC are our Session Border Controller (SBC) products. They provide security, an ease of deployment, IP network adaptation and peering solutions.

They are software upgradeable from 500 to 60,000 sessions (or 30,000 with 100% transcoding), the ProSBC is the most cost-effective SBC product for service providers and carriers currently available on the market that combines solid protection, IP-to-IP network adaptation and fast setup time in a single solution.







Characteristics of the FreeSBC and ProSBC

  • Back-to-back user agent (B2BUA)
  • DOS/DDOS protection, dynamic blacklisting and call access control
  • Easy to deploy, operate and manage through various interfaces including a RESTful API
  • Integrated network troubleshooting tools (traces, media/signaling recording, test call generation, etc)
  • Flexible and extensive routing with SIP headers modification capabilities
  • Fit to install on cloud or virtual environment or on baremetal servers.

Additional features of ProSBC

  • Up to 60,000 simultaneous signaling and media sessions
  • Media transcoding
  • OSS/BSS Connectors like SNMP, Lawful interception, Radius, CDR
  • Call trace and other debugging tools
  • TLS/sRTP

For full list of features see:


Installing the SBC


Configuring/Status Version 3.1
Configuring/Status Version 3.0

Baremetal COTS

Commercial off-the-shelf

The FreeSBC and ProSBC are offered on baremetal COTS platform. The advantages running the SBC on baremetal are:

  • Higher performance (sessions per seconds)
  • Higher capacity (simultaneous sessions and media handling)

Transcoding unit

TSBC-HW-TRANS, 1U transcoding unit

The TelcoBridges Transcoding unit (TSBC-HW-TRANS) is a carrier-grade hardware platform to transcode sessions processed by the ProSBC session border controller:

  • 1U slim form factor
  • Up to 2744 transcoding sessions per unit
  • Up to 16 devices per ProSBC system (43,904 transcoding sessions)
  • Telco-grade hardware with either AC or DC redundant power supplies
  • Transcoding for G711, G723, G729, AMR-NB, AMR-WB, T.38, DTMF and more
  • Add voice services to the SBC call flows

Cloud computing

Cloud computing

TelcoBridges FreeSBC and ProSBC are offered as a virtual SBC, ready to be deployed in a private/public cloud environment (including KVM, AWS and Azure). Along with TelcoBridges licensing model, the FreeSBC and ProSBC transforms the following advantages into benefits to customers.

  • Avoid up-front infrastructure costs
  • Faster (new) service deployment
  • Improved manageability
  • Grow/Shrink on demand
  • Pay as you go